attach a citation to an article and snippet to support hypotheses

[bellecarrell]

add where needed

== Hypotheses to test ==

• be "authentic" -- some proxy via sentiment analysis? [https://www.forbes.com/sites/forbescoachescouncil/2018/03/20/14-personal-branding-tips-to-help-you-grow-your-influence/#7729595b7ab7]
• posting a specific times of the day -> more followers [https://sproutsocial.com/insights/best-times-to-post-on-social-media/]
• fewer RTs (proxy for more original content) -> more followers
• appropriate frequency of posting (e.g. 3-5) -> more followers [https://www.inc.com/dakota-shane/how-often-you-should-post-on-social-media-according-to-10-studies.html]
• more direct messages, @ mentions (proxy for engaging with audience) -> more followers [https://sproutsocial.com/insights/social-media-branding/]
• higher % days with posting (posts regularly) -> more followers [https://sproutsocial.com/insights/social-media-branding/]
• include more URLs in tweets (proxy for introducing original blog content) -> more followers [Twitter user impact paper]
• "interactivity, defined by an intersection of accounts that tweet regularly, do many @-mentions and @-replies, but also mention many different users" -> more followers [Twitter user impact paper]
• more positive sentiment posts -> more followers (authentic? see above)
• diverse range of topics -> more followers [cite Twitter user impact paper]
• or "be consistent, stay on topic" [https://sproutsocial.com/insights/social-media-branding/]